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TITLE:
Cisco Content Services Gateway Security Bypass and Denial of Service

SECUNIA ADVISORY ID:
SA43052

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/43052/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=43052

RELEASE DATE:
2011-01-27

DISCUSS ADVISORY:
http://secunia.com/advisories/43052/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/43052/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=43052

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Multiple vulnerabilities have been reported in Cisco Content Services
Gateway (CSG2), which can be exploited by malicious people to bypass
certain security restrictions and cause a DoS (Denial of Service).

1) An error when checking access policies can be exploited to gain
access to restricted sites by sending specially crafted HTTP
packets.

Successful exploitation of this vulnerability requires accessing a
non-accounted site first.

2) An unspecified error can be exploited to cause the device to
reload or hang via specially crafted TCP packets

3) A second unspecified error can be exploited to cause the device to
reload or hang via specially crafted TCP packets

Successful exploitation of these vulnerabilities requires only a
single content service to be active. Additionally, a TCP three-way
handshake is not required.

Please see the vendor's advisory for a list of affected IOS Software.

SOLUTION:
Apply fixes (please see the vendor's advisory for details).

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
cisco-sa-20110126-csg2:
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b6791d.shtml

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
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private users keeping their systems up to date against the latest
vulnerabilities.

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use those supplied by the vendor.

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